#-*- coding:utf-8 -*-

# if __name__ == '__main__':
#     print "hello,world"

print eval("__import__('os').getcwd()")
# print eval("__import__('os').remove('file')")
# print eval("__import__('os').remove('file')", {})
namespace = {}
print eval("__import__('os').remove('file')", namespace)

